Demetra Simion. ADVANCED BIOTECHNOLOGIES FOR OBTAINING BIODEGRADABLE COLLAGEN BASED CORE-SHELL/HOLLOW STRUCTURAL NANO - SIO2 COMPOSITE AND ITS APPLICATIONS FOR DRUG. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on NANO, BIO AND GREEN TECHNOLOGIES FOR A SUSTAINABLE FUTURE, 2014. https://doi.org/10.5593/sgem2014/b61/s25.031